Door brace



FIG. 1 is a perspective view;

FIG. 2 is a right side elevation view, the left side elevation view being a mirror image thereof;

FIG. 3 is a top plan view;

FIG. 4 is a bottom plan view;

FIG. 5 is a top end view; and,

FIG. 6 is a bottom end view. 

The ornamental design for a door brace, as shown and described. 